While KMS technology itself is a legitimate Microsoft Volume Activation tool used by large organizations, using third-party scripts to bypass official licensing is considered .
Guidelines for troubleshooting the Key Management Service (KMS) Kms Suite 8.7 Fixed Download
Microsoft Office 2010, 2013, 2016, 2019, and 2021 (Volume License versions). Important Safety and Legal Considerations While KMS technology itself is a legitimate Microsoft
Connects to a remote KMS server via the internet to validate the license. Supported Products Kms Suite 8.7 Fixed Download